This phone will only work with 2G:GSM850/900/1800/1900 3G:WCDMA B1/2/4/5/8 4G: FDD-LTE: B1/2/4/5/7/8/12/17/30 It is Unlocked for Worldwide use. Please ensure local area network is compatible. click here for Network Frequency of your country. Please check with your carrier/provider before purchasing this item.

This phone will only work with 2G:GSM850/900/1800/1900 3G: WCDMA B1/2/4/5/8 4G:FDD-LTE: B1/2/4/5/7/8/12/17/30 It is Unlocked for Worldwide use. Please ensure local area network is compatible. click here for Network Frequency of your country. Please check with your carrier/provider before purchasing this item.

SIM card slot:Dual SIM dual standby ( Dual Nano sim card. Both SIM slots are compatible with 4G, respectively. When they work at the same time, only one of them can receive LTE service and the other 2G )
TF card slot:No
USB slot:Yes,Type-C USB2.0
Audio output:Yes (3.5mm audio out port)
Microphone:Supported
Speaker:Supported